10 Online Startup Businesses That Require No Investment

Chapter 1: Affiliated Marketing
Chapter 2: For the Creative Soul Within You!
Chapter 3: For the Marketing and Motivational Genius Inside
Chapter 4: Starving Writer? Learn to Make Writing Pay
Chapter 5: Publishing and Selling Your Own Books
Chapter 6: Become an Editor. Publish Anthologies and Books
Chapter 7: Public Relations and Publicity
Chapter 8: Online Dating is Seriously Hot
Chapter 9: Fighting for A Cause
Chapter 10: Operate your own Auctions and Classified Sites

(from taxmama.com)